1144725 has 12 divisors (see below), whose sum is σ = 1892736. Its totient is φ = 610480.

The previous prime is 1144723. The next prime is 1144727. The reversal of 1144725 is 5274411.

It is an interprime number because it is at equal distance from previous prime (1144723) and next prime (1144727).

It is not a de Polignac number, because 1144725 - 2¹ = 1144723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144695 and 1144704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7557 + ... + 7706.

It is an arithmetic number, because the mean of its divisors is an integer number (157728).

2^1144725 is an apocalyptic number.

1144725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144725 is a deficient number, since it is larger than the sum of its proper divisors (748011).

1144725 is a wasteful number, since it uses less digits than its factorization.

1144725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276 (or 15271 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 1144725 is about 1069.9182211739. The cubic root of 1144725 is about 104.6085195483.

The spelling of 1144725 in words is "one million, one hundred forty-four thousand, seven hundred twenty-five".